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Shure BLX14/P31 Wireless Lavalier Headset System

The Shure BLX14/P31 Wireless Lavalier Headset System includes a BLX4 single-channel wireless receiver, a BLX1 bodypack transmitter, and a PGA31 headset mic. The system is set to Shure's H8 frequency band and operates between 518 - 542 MHz. The BXL1 bodypack transmitter has a 300' line of sight operation range with the BLX4 receiver. It is powered by two included AA batteries that can provide up to 14 hours of operation. The BLX4 receiver features microprocessor-controlled internal antenna diversity that helps prevent interference and signal dropouts. Its one-touch QuickScan feature detects the most interference-free frequency and sets the channel to it for fast setup.

PGA31 Performance Headset Condenser Microphone:

The Shure PGA31 Performance Headset Condenser Microphone is a wireframe headset cardioid condenser microphone that can be used for a variety of vocal, general speech, and performance applications. A windscreen is included.

Wearable wireframe headset for multi-instrumentalists and active performers
Permanently charged electret condenser element for detailed vocals
Flexible gooseneck design and discrete adjustment options optimize microphone positioning for further source isolation
TA4F (TQG) connector seamlessly integrates with existing Shure bodypack systems
Tailored frequency response primed for great sound on vocals.
Type Electret condenser
Frequency Response 60 Hz to 20 kHz
Polar Pattern Cardioid
Output Impedance 600 ? @ 1 kHz, typical
Audio Output Level -50 dBV/Pa
Signal to Noise Ratio 66 dB @ 1 kHz
Maximum SPL 145 dB, @ 1 kHz (1,000 ? load)
Dynamic Range 117 dB, @ 1 kHz (1,000 ? load)
Output Noise 28 dB, typical, A-weighted
Power Requirements 5 V DC (nominal), 10 V maximum (DC bias)
Polarity Positive pressure on diaphragm produces positive voltage on pin 3 with respect to pin 1
Cable 50" (1.3 m))
Connector TA4F
Weight 1.59 oz (45 g)

BLX4 Single-Channel Wireless Receiver:

The BLX4 Single-Channel Wireless Receiver is a single-channel receiver set to Shure's H8 frequency band and operates between 518 to 542 MHz. It has microprocessor-controlled internal antenna diversity for reduced signal interference and dropouts. The one-touch QuickScan frequency selection feature allows you to quickly locate the frequency with the least amount of interference available. Its front-panel dual-color LED status indicator displays green for normal levels and red when clipping for fast metering. It has an XLR output in additional to an instrument level ¼" output. The BLX4 can be used with up to 11 other compatible systems simultaneously per frequency band.
Output 1x XLR Output 1x 1/4" (6.35 mm) Output
Output Impedance XLR: 200 ? 1/4": 50 ?
Audio Output Level XLR Connector: -27 dBV into 100k? Load (Reference /-33 kHz with 1 kHz Tone) 1/4": -13 dBV into 100k? Load (Reference /-33 kHz with 1 kHz Tone)
RF Sensitivity -105 dBm for 12 dB SINAD, Typical
Image Rejection >50 dB, Typical
Housing Molded ABS
Power Requirement 12 to 15 V DC @ 160 mA, Supplied by External Power Supply (Tip Positive)
Dimensions (H x W x D) 1.5 x 7.4 x 4.1" (40 x 188 x 103 mm)
Weight 8.5 oz (241 g)

 

BLX1 Bodypack Transmitter: The BLX1 Bodypack Transmitter is designed for use with Shure's BLX wireless systems. It is set to the H8 frequency band and operates between 518 and 542 MHz. It has a TQG input and can be used with Shure lavalier, headset, earset and instrument microphones. With the optional WA302 adapter cable, the BLX1 can be used as a transmitter for guitar. The unit has a top panel mounted on/off switch as well as volume control for quick access while speaking or performing. The BLX1 is powered by the two included AA batteries for up to 14 hours.

Audio Input Gain: -16 dBV (Maximum), 10 dBV (Minimum
Gain Adjustment Range 26 dB
Input Impedance 1 M?
RF Output 10 mW, Typical
Housing Molded ABS
Power Requirement 2x LR6 AA Batteries, 1.5 V Alkaline
Battery Life Up to 14 Hours
Dimensions (H x W x D) 4.3 x 2.5 x 0.8" (110 x 64 x 21 mm)
Weight 2.6 oz (75 g)